Peripheral manufacturer Mad Catz will be making the official Soul Calibur V arcade stick. This was made official on the Shoryuken forums. Soul Calibur V Arcade Fightstick: Soul Edition is the full name and it will be released in January for both Playstation 3 and Xbox 360.
The buttons and the stick placement is the same as for the Tekken 6 arcade machines. Stainless steel screws is a detail that Mad Catz chose to highlight.
"We've listened to your feedback and have noted that rusty screws are not appealing."